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Stock Island, FL Weather


Stock Island, FL climate is hot during summer when temperatures tend to be in the 80's and warm during winter when temperatures tend to be in the 70's.

The warmest month of the year is August with an average maximum temperature of 89.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 65.20 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 10 degrees Fahrenheit, and fairly limited during winter with an average difference of 10 degrees Fahrenheit.

The annual average precipitation at Stock Island is 38.94 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is September with an average rainfall of 5.45 Inches.

Weather Data

Normal Climate

Normal Temperatures

(KEY WEST INTL AP Weather station, 1.35 miles from Stock Island)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 75.3 75.9 78.8 81.9 85.4 88.1 89.4 89.5 88.2 84.7 80.6 76.7 82.9
Mean °F 70.3 70.8 73.8 77.0 80.7 83.4 84.5 84.4 83.4 80.2 76.3 72.0 78.1
Min °F 65.2 65.7 68.8 72.1 75.9 78.7 79.6 79.2 78.5 75.7 71.9 67.3 73.2

Normal Precipitation

(KEY WEST INTL AP Weather station, 1.35 miles from Stock Island)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 2.22 1.51 1.86 2.06 3.48 4.57 3.27 5.40 5.45 4.34 2.64 2.14 38.94